Overexpression of OsPHR3 improves growth traits and facilitates nitrogen use efficiency under low phosphate condition
Copyright © 2021. Published by Elsevier Masson SAS..
Phosphorus (P) and nitrogen (N) are both essential macronutrients for maintaining plant growth and development. In rice (Oryza sativa L.), OsPHR3 is one of the four paralogs of PHR1, which acts as a central regulator of phosphate (Pi) homeostasis, as well being involved in N homeostasis. However, the functions of OsPHR3 in N utilization under different Pi conditions have yet to be fully studied. In this study, we aimed to dissect the effect of OsPHR3-overexpression on N utilization under Pi deficient regimes. Biochemical, molecular and physiological assays were performed to determine the N-influx, translocation, and accumulation in OsPHR3-overexpressing rice lines, grown under Pi-sufficient and -deficient conditions, in both hydroponic and soil systems. Furthermore, important agronomic traits of these plants were also evaluated. The overexpression of OsPHR3 increased N uptake under Pi stress regimes. Increased N uptake also elevated total N concentrations in these plants by inducing N transporter genes expression. Furthermore, overexpression of OsPHR3 increased N use efficiency, 1000-grain weight and grain yield under different Pi conditions. We established new findings that OsPHR3-overexpression facilitates N utilization under Pi deficient conditions. This will help achieving higher yields by coordinating the utilization of N and P.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2021 |
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Erschienen: |
2021 |
Enthalten in: |
Zur Gesamtaufnahme - volume:166 |
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Enthalten in: |
Plant physiology and biochemistry : PPB - 166(2021) vom: 01. Sept., Seite 712-722 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Sun, Yafei [VerfasserIn] |
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Links: |
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Themen: |
Journal Article |
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Anmerkungen: |
Date Completed 07.09.2021 Date Revised 07.09.2021 published: Print-Electronic Citation Status MEDLINE |
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doi: |
10.1016/j.plaphy.2021.06.041 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM327614552 |
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520 | |a Copyright © 2021. Published by Elsevier Masson SAS. | ||
520 | |a Phosphorus (P) and nitrogen (N) are both essential macronutrients for maintaining plant growth and development. In rice (Oryza sativa L.), OsPHR3 is one of the four paralogs of PHR1, which acts as a central regulator of phosphate (Pi) homeostasis, as well being involved in N homeostasis. However, the functions of OsPHR3 in N utilization under different Pi conditions have yet to be fully studied. In this study, we aimed to dissect the effect of OsPHR3-overexpression on N utilization under Pi deficient regimes. Biochemical, molecular and physiological assays were performed to determine the N-influx, translocation, and accumulation in OsPHR3-overexpressing rice lines, grown under Pi-sufficient and -deficient conditions, in both hydroponic and soil systems. Furthermore, important agronomic traits of these plants were also evaluated. The overexpression of OsPHR3 increased N uptake under Pi stress regimes. Increased N uptake also elevated total N concentrations in these plants by inducing N transporter genes expression. Furthermore, overexpression of OsPHR3 increased N use efficiency, 1000-grain weight and grain yield under different Pi conditions. We established new findings that OsPHR3-overexpression facilitates N utilization under Pi deficient conditions. This will help achieving higher yields by coordinating the utilization of N and P | ||
650 | 4 | |a Journal Article | |
650 | 4 | |a Nitrogen | |
650 | 4 | |a Nitrogen use efficiency | |
650 | 4 | |a OsPHR3 | |
650 | 4 | |a Phosphate | |
650 | 4 | |a Pi deficiency | |
650 | 4 | |a Transgenic | |
650 | 7 | |a Phosphates |2 NLM | |
650 | 7 | |a Plant Proteins |2 NLM | |
650 | 7 | |a Transcription Factors |2 NLM | |
650 | 7 | |a Nitrogen |2 NLM | |
650 | 7 | |a N762921K75 |2 NLM | |
700 | 1 | |a Hu, Zhi |e verfasserin |4 aut | |
700 | 1 | |a Wang, Xiaowen |e verfasserin |4 aut | |
700 | 1 | |a Shen, Xing |e verfasserin |4 aut | |
700 | 1 | |a Hu, Siwen |e verfasserin |4 aut | |
700 | 1 | |a Yan, Yan |e verfasserin |4 aut | |
700 | 1 | |a Kant, Surya |e verfasserin |4 aut | |
700 | 1 | |a Xu, Guohua |e verfasserin |4 aut | |
700 | 1 | |a Xue, Yong |e verfasserin |4 aut | |
700 | 1 | |a Sun, Shubin |e verfasserin |4 aut | |
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